/* ═══════════════════════════════════════════════════
   GRAND NOIR CASINO  —  hub.css
   ═══════════════════════════════════════════════════ */

:root {
    --felt: #0b2416;
    --felt-hi: #0f2e1c;
    --gold: #C9A44A;
    --gold-hi: #E8C96A;
    --gold-line: rgba(201, 164, 74, 0.32);
    --gold-glow: rgba(201, 164, 74, 0.14);
    --gold-pale: rgba(201, 164, 74, 0.08);
    --ivory: #F3E9D2;
    --ivory-mid: rgba(243, 233, 210, 0.55);
    --ivory-lo: rgba(243, 233, 210, 0.2);
    --bg: #07100b;
    --border: rgba(201, 164, 74, 0.28);
    --amber: #E9A825;
    --green-win: #34d399;
    --panel: rgba(0, 0, 0, 0.42);
}

*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: 'Cormorant Garamond', Georgia, serif;
    background: var(--bg);
    min-height: 100vh;
    color: var(--ivory);
    overflow-x: hidden;
    padding-bottom: 60px;
}

/* Ambient layers */
body::before {
    content: '';
    position: fixed;
    inset: 0;
    z-index: 0;
    pointer-events: none;
    background:
        radial-gradient(ellipse 100% 55% at 50% -5%, rgba(201, 164, 74, 0.08) 0%, transparent 60%),
        radial-gradient(ellipse 70% 70% at 50% 110%, rgba(11, 36, 22, 0.9) 0%, transparent 65%);
}

body::after {
    content: '';
    position: fixed;
    inset: 0;
    z-index: 0;
    pointer-events: none;
    background-image:
        linear-gradient(rgba(201, 164, 74, 0.035) 1px, transparent 1px),
        linear-gradient(90deg, rgba(201, 164, 74, 0.035) 1px, transparent 1px);
    background-size: 48px 48px;
}

#fx-canvas {
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: 0;
    width: 100%;
    height: 100%;
}

/* All content above fixed layers */
body>*:not(#fx-canvas) {
    position: relative;
    z-index: 1;
}

/* ══ HEADER ══ */
.site-header {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 28px;
    padding: 44px 24px 32px;
    text-align: center;
    max-width: 900px;
    margin: 0 auto;
}

.header-rule {
    display: flex;
    align-items: center;
    gap: 10px;
    flex: 1;
    max-width: 160px;
}

.rule-line {
    height: 1px;
    flex: 1;
    background: linear-gradient(90deg, transparent, var(--gold), transparent);
}

.rule-gem {
    color: var(--gold);
    font-size: 0.65em;
    filter: drop-shadow(0 0 8px var(--gold));
    opacity: 0.8;
}

.header-titles {
    flex-shrink: 0;
}

.casino-eyebrow {
    font-family: 'DM Mono', monospace;
    font-size: 0.6em;
    font-weight: 300;
    letter-spacing: 6px;
    text-transform: uppercase;
    color: var(--ivory-lo);
    margin-bottom: 6px;
}

h1 {
    font-family: 'Cormorant SC', serif;
    font-size: clamp(3em, 8vw, 5.5em);
    font-weight: 700;
    letter-spacing: 10px;
    line-height: 1;
    background: linear-gradient(150deg, #6a4a0e 0%, #E8C96A 35%, #C9A44A 62%, #6a4a0e 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    filter: drop-shadow(0 2px 22px rgba(201, 164, 74, 0.3));
}

.casino-sub {
    font-family: 'DM Mono', monospace;
    font-size: 0.6em;
    font-weight: 300;
    letter-spacing: 5px;
    text-transform: uppercase;
    color: var(--ivory-mid);
    margin-top: 8px;
}

/* ══ VAULT ══ */
.vault-section {
    max-width: 900px;
    margin: 0 auto 32px;
    padding: 0 20px;
}

.vault-card {
    display: flex;
    align-items: center;
    gap: 0;
    background:
        linear-gradient(135deg, rgba(201, 164, 74, 0.06) 0%, rgba(0, 0, 0, 0) 60%),
        rgba(0, 0, 0, 0.45);
    border: 1px solid var(--border);
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 4px 40px rgba(0, 0, 0, 0.4), inset 0 1px 0 rgba(201, 164, 74, 0.1);
}

.vault-left {
    flex: 1;
    padding: 28px 36px;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.vault-label {
    font-family: 'DM Mono', monospace;
    font-size: 0.58em;
    font-weight: 400;
    letter-spacing: 4px;
    text-transform: uppercase;
    color: var(--ivory-lo);
}

.vault-amount {
    font-family: 'DM Mono', monospace;
    font-size: clamp(2em, 5vw, 3em);
    font-weight: 500;
    color: var(--gold-hi);
    text-shadow: 0 0 24px rgba(232, 201, 106, 0.4);
    line-height: 1.1;
    transition: all 0.4s;
}

.vault-amount.pop {
    animation: vaultPop 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

@keyframes vaultPop {
    0% {
        transform: scale(1);
    }

    45% {
        transform: scale(1.06);
        color: #fff;
        text-shadow: 0 0 28px rgba(255, 255, 255, 0.5);
    }

    100% {
        transform: scale(1);
    }
}

.vault-sub {
    font-family: 'DM Mono', monospace;
    font-size: 0.7em;
    font-weight: 300;
    color: var(--ivory-mid);
    transition: color 0.3s;
}

.vault-sub.win {
    color: var(--green-win);
}

.vault-sub.low {
    color: #fbbf24;
}

.vault-sub.zero {
    color: var(--red, #f87171);
}

.vault-divider {
    width: 1px;
    align-self: stretch;
    background: linear-gradient(180deg, transparent, var(--gold-line), transparent);
    margin: 20px 0;
}

.vault-right {
    flex: 1;
    padding: 28px 36px;
    display: flex;
    flex-direction: column;
    gap: 14px;
    align-items: flex-start;
}

/* Top up chips */
.topup-chips {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.topup-chip {
    padding: 8px 16px;
    border-radius: 8px;
    border: 1px solid;
    font-family: 'DM Mono', monospace;
    font-size: 0.78em;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
    letter-spacing: 0.5px;
}

.topup-chip:hover {
    transform: translateY(-2px);
    filter: brightness(1.15);
}

.topup-chip:active {
    transform: scale(0.96);
}

.tc-1k {
    background: rgba(74, 222, 128, 0.1);
    border-color: rgba(74, 222, 128, 0.4);
    color: #4ade80;
}

.tc-5k {
    background: rgba(96, 165, 250, 0.1);
    border-color: rgba(96, 165, 250, 0.4);
    color: #60a5fa;
}

.tc-10k {
    background: rgba(192, 132, 252, 0.1);
    border-color: rgba(192, 132, 252, 0.4);
    color: #c084fc;
}

.tc-50k {
    background: rgba(201, 164, 74, 0.1);
    border-color: var(--border);
    color: var(--gold-hi);
}

.tc-1k:hover {
    background: rgba(74, 222, 128, 0.18);
}

.tc-5k:hover {
    background: rgba(96, 165, 250, 0.18);
}

.tc-10k:hover {
    background: rgba(192, 132, 252, 0.18);
}

.tc-50k:hover {
    background: rgba(201, 164, 74, 0.18);
}

.reset-btn {
    background: transparent;
    border: 1px solid rgba(248, 113, 113, 0.3);
    border-radius: 7px;
    padding: 7px 14px;
    font-family: 'DM Mono', monospace;
    font-size: 0.68em;
    font-weight: 400;
    letter-spacing: 1px;
    color: rgba(248, 113, 113, 0.6);
    cursor: pointer;
    transition: all 0.2s;
}

.reset-btn:hover {
    background: rgba(248, 113, 113, 0.08);
    border-color: rgba(248, 113, 113, 0.6);
    color: #f87171;
}

/* ══ SECTION DIVIDER ══ */
.section-divider {
    display: flex;
    align-items: center;
    gap: 18px;
    max-width: 900px;
    margin: 0 auto 32px;
    padding: 0 20px;
}

.sd-line {
    flex: 1;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--gold-line), transparent);
}

.sd-text {
    font-family: 'Cormorant SC', serif;
    font-size: 0.7em;
    font-weight: 600;
    letter-spacing: 5px;
    text-transform: uppercase;
    color: var(--gold);
    opacity: 0.6;
    white-space: nowrap;
}

/* ══ GAMES GRID ══ */
.games-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(380px, 1fr));
    gap: 16px;
    max-width: 900px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ── GAME CARD ── */
.game-card {
    position: relative;
    display: flex;
    flex-direction: column;
    background: rgba(0, 0, 0, 0.42);
    border: 1px solid var(--border);
    border-radius: 14px;
    padding: 28px 28px 22px;
    text-decoration: none;
    color: var(--ivory);
    overflow: hidden;
    transition: transform 0.28s cubic-bezier(0.175, 0.885, 0.32, 1.275),
        border-color 0.28s, box-shadow 0.28s;
    cursor: pointer;
}

/* Glow layer */
.card-glow {
    position: absolute;
    inset: 0;
    border-radius: inherit;
    background: radial-gradient(ellipse 80% 60% at 50% 0%, rgba(201, 164, 74, 0.1) 0%, transparent 65%);
    opacity: 0;
    transition: opacity 0.3s;
    pointer-events: none;
}

.game-card:hover {
    transform: translateY(-5px);
    border-color: var(--gold);
    box-shadow: 0 12px 50px rgba(0, 0, 0, 0.5), 0 0 0 1px var(--gold-line);
}

.game-card:hover .card-glow {
    opacity: 1;
}

.game-card:active {
    transform: translateY(-2px) scale(0.99);
}

/* Badge */
.card-badge {
    position: absolute;
    top: 16px;
    right: 16px;
    font-family: 'DM Mono', monospace;
    font-size: 0.55em;
    font-weight: 400;
    letter-spacing: 3px;
    text-transform: uppercase;
    color: var(--gold);
    opacity: 0.55;
    background: rgba(201, 164, 74, 0.08);
    border: 1px solid rgba(201, 164, 74, 0.18);
    border-radius: 4px;
    padding: 3px 8px;
}

/* Icon */
.game-icon {
    font-size: 2.8em;
    line-height: 1;
    margin-bottom: 14px;
    filter: drop-shadow(0 2px 12px rgba(201, 164, 74, 0.4));
    transition: transform 0.3s;
}

.game-card:hover .game-icon {
    transform: scale(1.08) translateY(-2px);
}

/* Game info */
.game-info {
    flex: 1;
}

.game-info h2 {
    font-family: 'Cormorant SC', serif;
    font-size: 1.65em;
    font-weight: 700;
    letter-spacing: 3px;
    color: var(--ivory);
    margin-bottom: 4px;
    line-height: 1;
}

.game-tagline {
    font-family: 'DM Mono', monospace;
    font-size: 0.6em;
    font-weight: 300;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--gold);
    opacity: 0.7;
    margin-bottom: 10px;
}

.game-desc {
    font-family: 'Cormorant Garamond', serif;
    font-size: 0.95em;
    font-weight: 300;
    color: var(--ivory-mid);
    line-height: 1.65;
}

/* Footer */
.card-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 20px;
    padding-top: 14px;
    border-top: 1px solid rgba(201, 164, 74, 0.12);
}

.cf-odds {
    font-family: 'DM Mono', monospace;
    font-size: 0.65em;
    font-weight: 300;
    letter-spacing: 1px;
    color: var(--ivory-lo);
}

.cf-play {
    font-family: 'Cormorant SC', serif;
    font-size: 0.8em;
    font-weight: 600;
    letter-spacing: 2px;
    color: var(--gold);
    opacity: 0.8;
    transition: opacity 0.2s, transform 0.2s;
}

.game-card:hover .cf-play {
    opacity: 1;
    transform: translateX(4px);
}

/* Per-game accent colours */
#card-blackjack {
    --accent: rgba(52, 211, 153, 0.08);
    --accent-border: rgba(52, 211, 153, 0.3);
}

#card-roulette {
    --accent: rgba(248, 113, 113, 0.08);
    --accent-border: rgba(248, 113, 113, 0.3);
}

#card-baccarat {
    --accent: rgba(96, 165, 250, 0.08);
    --accent-border: rgba(96, 165, 250, 0.3);
}

#card-slots {
    --accent: rgba(201, 164, 74, 0.1);
    --accent-border: rgba(201, 164, 74, 0.4);
}

#card-blackjack:hover {
    border-color: var(--accent-border);
    box-shadow: 0 12px 50px rgba(0, 0, 0, 0.5), 0 0 0 1px var(--accent-border);
}

#card-roulette:hover {
    border-color: var(--accent-border);
    box-shadow: 0 12px 50px rgba(0, 0, 0, 0.5), 0 0 0 1px var(--accent-border);
}

#card-baccarat:hover {
    border-color: var(--accent-border);
    box-shadow: 0 12px 50px rgba(0, 0, 0, 0.5), 0 0 0 1px var(--accent-border);
}

#card-slots:hover {
    border-color: var(--accent-border);
    box-shadow: 0 12px 50px rgba(0, 0, 0, 0.5), 0 0 0 1px var(--accent-border);
}

#card-blackjack .card-glow {
    background: radial-gradient(ellipse 80% 60% at 50% 0%, rgba(52, 211, 153, 0.09) 0%, transparent 65%);
}

#card-roulette .card-glow {
    background: radial-gradient(ellipse 80% 60% at 50% 0%, rgba(248, 113, 113, 0.09) 0%, transparent 65%);
}

#card-baccarat .card-glow {
    background: radial-gradient(ellipse 80% 60% at 50% 0%, rgba(96, 165, 250, 0.09) 0%, transparent 65%);
}

#card-slots .card-glow {
    background: radial-gradient(ellipse 80% 60% at 50% 0%, rgba(201, 164, 74, 0.12) 0%, transparent 65%);
}

/* ══ FOOTER ══ */
.site-footer {
    text-align: center;
    padding: 40px 24px 20px;
}

.footer-rule {
    display: flex;
    align-items: center;
    gap: 12px;
    max-width: 400px;
    margin: 0 auto 16px;
}

.site-footer p {
    font-family: 'DM Mono', monospace;
    font-size: 0.6em;
    font-weight: 300;
    letter-spacing: 2px;
    color: var(--ivory-lo);
}

/* ══ TOAST ══ */
.toast {
    position: fixed;
    bottom: 28px;
    left: 50%;
    transform: translateX(-50%) translateY(70px);
    background: rgba(6, 11, 8, 0.96);
    border: 1px solid var(--border);
    border-radius: 9px;
    padding: 11px 26px;
    font-family: 'Cormorant SC', serif;
    font-size: 0.9em;
    letter-spacing: 2px;
    color: var(--gold-hi);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.55);
    transition: transform 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
    z-index: 200;
    white-space: nowrap;
}

.toast.show {
    transform: translateX(-50%) translateY(0);
}

.toast.t-win {
    border-color: var(--green-win);
    color: var(--green-win);
}

.toast.t-lose {
    border-color: #f87171;
    color: #f87171;
}

/* ══ MODAL ══ */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.78);
    z-index: 500;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.25s;
}

.modal-overlay.show {
    opacity: 1;
    pointer-events: auto;
}

.modal-card {
    background: linear-gradient(145deg, #0d2016, #05100a);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 40px 48px;
    text-align: center;
    max-width: 380px;
    width: 90%;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.6);
    transform: scale(0.9);
    transition: transform 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.modal-overlay.show .modal-card {
    transform: scale(1);
}

.modal-icon {
    font-size: 2em;
    margin-bottom: 14px;
    color: #fbbf24;
}

.modal-card h3 {
    font-family: 'Cormorant SC', serif;
    font-size: 1.4em;
    font-weight: 700;
    letter-spacing: 3px;
    color: var(--ivory);
    margin-bottom: 10px;
}

.modal-card p {
    font-family: 'DM Mono', monospace;
    font-size: 0.8em;
    font-weight: 300;
    color: var(--ivory-mid);
    line-height: 1.6;
    margin-bottom: 28px;
}

.modal-card strong {
    color: var(--gold-hi);
    font-weight: 500;
}

.modal-btns {
    display: flex;
    gap: 12px;
    justify-content: center;
}

.modal-cancel {
    padding: 10px 24px;
    background: transparent;
    border: 1px solid var(--border);
    border-radius: 7px;
    font-family: 'Cormorant SC', serif;
    font-size: 0.8em;
    letter-spacing: 2px;
    color: var(--ivory-mid);
    cursor: pointer;
    transition: all 0.2s;
}

.modal-cancel:hover {
    background: var(--gold-pale);
    border-color: var(--gold);
    color: var(--ivory);
}

.modal-confirm {
    padding: 10px 24px;
    background: rgba(248, 113, 113, 0.12);
    border: 1px solid rgba(248, 113, 113, 0.45);
    border-radius: 7px;
    font-family: 'Cormorant SC', serif;
    font-size: 0.8em;
    letter-spacing: 2px;
    color: #f87171;
    cursor: pointer;
    transition: all 0.2s;
}

.modal-confirm:hover {
    background: rgba(248, 113, 113, 0.22);
    border-color: #f87171;
}

/* ══ VAULT INLINE AUTH ══ */
#vault-auth,
#vault-balance {
    width: 100%;
    display: flex;
    align-items: center;
}

.vault-auth-left {
    flex: 1;
    padding: 28px 36px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 14px;
}

.vault-auth-right {
    flex: 1;
    padding: 28px 36px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 10px;
}

.vault-auth-tabs {
    display: flex;
    gap: 8px;
    border-bottom: none;
    margin-bottom: 0;
}

.vault-auth-tabs .auth-tab {
    flex: initial;
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 7px 18px;
    margin-bottom: 0;
    border-bottom: 1px solid var(--border);
}

.vault-auth-tabs .auth-tab.active {
    background: var(--gold-pale);
    border-color: var(--gold);
    color: var(--gold-hi);
}

.vault-auth-hint {
    font-family: 'DM Mono', monospace;
    font-size: 0.65em;
    font-weight: 300;
    color: var(--ivory-lo);
    letter-spacing: 1px;
}

.auth-field-last {
    margin-bottom: 0;
}

.vault-auth-action {
    display: flex;
    align-items: center;
    gap: 14px;
    margin-top: 2px;
}

.vault-auth-action .auth-error {
    flex: 1;
    text-align: left;
    margin-bottom: 0;
    min-height: auto;
    font-size: 0.7em;
}

.vault-auth-action .auth-submit {
    width: auto;
    flex-shrink: 0;
    padding: 10px 24px;
    font-size: 0.82em;
    letter-spacing: 3px;
}

/* ══ VAULT USER ROW ══ */
.vault-user-row {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 8px;
}

.vault-greeting {
    font-family: 'DM Mono', monospace;
    font-size: 0.6em;
    font-weight: 300;
    letter-spacing: 2px;
    color: var(--ivory-lo);
}

.vault-username {
    font-family: 'Cormorant SC', serif;
    font-size: 0.88em;
    font-weight: 600;
    letter-spacing: 2px;
    color: var(--gold);
}

.logout-btn {
    background: transparent;
    border: 1px solid rgba(201, 164, 74, 0.2);
    border-radius: 5px;
    padding: 3px 10px;
    font-family: 'DM Mono', monospace;
    font-size: 0.55em;
    font-weight: 400;
    letter-spacing: 1.5px;
    color: var(--ivory-lo);
    cursor: pointer;
    transition: all 0.2s;
    margin-left: 2px;
}

.logout-btn:hover {
    border-color: var(--gold-line);
    color: var(--ivory-mid);
}

/* ══ AUTH MODAL ══ */
.auth-modal-card {
    max-width: 420px;
    padding: 40px 44px;
}

.auth-brand {
    text-align: center;
    margin-bottom: 24px;
}

.auth-gem {
    color: var(--gold);
    font-size: 1.1em;
    opacity: 0.7;
    margin-bottom: 8px;
}

.auth-brand h3 {
    font-family: 'Cormorant SC', serif;
    font-size: 2em;
    font-weight: 700;
    letter-spacing: 8px;
    color: var(--gold-hi);
    margin-bottom: 0;
}

.auth-brand-sub {
    font-family: 'DM Mono', monospace;
    font-size: 0.65em;
    font-weight: 300;
    letter-spacing: 3px;
    color: var(--ivory-mid);
    margin-top: 6px;
    margin-bottom: 0;
}

/* Tabs */
.auth-tabs {
    display: flex;
    border-bottom: 1px solid var(--gold-line);
    margin-bottom: 24px;
}

.auth-tab {
    flex: 1;
    background: transparent;
    border: none;
    border-bottom: 2px solid transparent;
    padding: 10px 0;
    font-family: 'Cormorant SC', serif;
    font-size: 0.85em;
    font-weight: 600;
    letter-spacing: 3px;
    color: var(--ivory-mid);
    cursor: pointer;
    transition: all 0.2s;
    margin-bottom: -1px;
}

.auth-tab.active {
    color: var(--gold-hi);
    border-bottom-color: var(--gold);
}

.auth-tab:hover {
    color: var(--ivory);
}

/* Form fields */
.auth-field {
    margin-bottom: 16px;
}

.auth-field label {
    display: block;
    font-family: 'DM Mono', monospace;
    font-size: 0.6em;
    font-weight: 400;
    letter-spacing: 3px;
    text-transform: uppercase;
    color: var(--ivory-lo);
    margin-bottom: 7px;
}

.auth-field input {
    width: 100%;
    background: rgba(0, 0, 0, 0.4);
    border: 1px solid var(--border);
    border-radius: 7px;
    padding: 11px 14px;
    font-family: 'DM Mono', monospace;
    font-size: 0.85em;
    color: var(--ivory);
    outline: none;
    transition: border-color 0.2s, background 0.2s;
}

.auth-field input:focus {
    border-color: var(--gold);
    background: rgba(201, 164, 74, 0.04);
}

.auth-field input::placeholder {
    color: var(--ivory-lo);
}

.auth-hint {
    font-family: 'DM Mono', monospace;
    font-size: 0.68em;
    font-weight: 300;
    color: var(--ivory-lo);
    text-align: center;
    margin-bottom: 6px;
    min-height: 1.2em;
}

.auth-error {
    font-family: 'DM Mono', monospace;
    font-size: 0.72em;
    color: #f87171;
    text-align: center;
    min-height: 1.4em;
    margin-bottom: 10px;
}

.auth-submit {
    width: 100%;
    padding: 13px;
    background: linear-gradient(135deg, rgba(201, 164, 74, 0.16), rgba(232, 201, 106, 0.1));
    border: 1px solid var(--gold);
    border-radius: 8px;
    font-family: 'Cormorant SC', serif;
    font-size: 0.95em;
    font-weight: 600;
    letter-spacing: 4px;
    color: var(--gold-hi);
    cursor: pointer;
    transition: all 0.2s;
}

.auth-submit:hover {
    background: linear-gradient(135deg, rgba(201, 164, 74, 0.26), rgba(232, 201, 106, 0.2));
    transform: translateY(-1px);
    box-shadow: 0 4px 20px rgba(201, 164, 74, 0.2);
}

.auth-submit:active {
    transform: scale(0.98);
}

.auth-submit:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
}

/* ══ RESPONSIVE ══ */
@media (max-width: 680px) {
    .site-header {
        padding: 28px 16px 22px;
        gap: 14px;
    }

    .header-rule {
        max-width: 60px;
    }

    .vault-card {
        flex-direction: column;
    }

    .vault-divider {
        width: auto;
        height: 1px;
        margin: 0 20px;
        background: linear-gradient(90deg, transparent, var(--gold-line), transparent);
    }

    .vault-left,
    .vault-right {
        padding: 22px 24px;
    }

    .vault-right {
        align-items: flex-start;
    }

    #vault-auth {
        flex-direction: column;
    }

    .vault-auth-left,
    .vault-auth-right {
        padding: 22px 24px;
        width: 100%;
    }

    #vault-auth .vault-divider {
        display: none;
    }

    .vault-auth-action {
        flex-direction: column;
        align-items: stretch;
    }

    .vault-auth-action .auth-submit {
        width: 100%;
    }

    .games-grid {
        grid-template-columns: 1fr;
    }

    .game-card {
        padding: 22px 22px 18px;
    }

    .vault-amount {
        font-size: 2.2em;
    }
}